Solution:
1. Turn on iPhone video recorder.
2. Nigerian man approaches you.
3. You say "No, I'm sorry, I only like big tits."
4. The Nigerian will say "But we have big tits?"
5. You say "You have big tits?"
6. Nigerian says "Yes, I have big tits?"
7. You say "No, I think you have small tits."
8. Nigerian says "I have big tits! I have big tits!"
9. You walk away slowly "No you have small tits."
10. Nigerian whipers as you walk off "But I have big tits, I have big tits..."
11. After you get about twenty good ones, place on Youtube with title "I have big tits!"
I've been meaning to do this for a long, long time, but I don't want to get killed...